/**
* Add dynamic settings groups.
*
* @see Charitable_Gateway_Settings::add_gateway_settings_dynamic_groups()
* @see Charitable_Email_Settings::add_email_settings_dynamic_groups()
* @see Charitable_Email_Settings::add_licenses_group()
*/
add_filter('charitable_dynamic_groups', array(Charitable_Gateway_Settings::get_instance(), 'add_gateway_settings_dynamic_groups'));
add_filter('charitable_dynamic_groups', array(Charitable_Email_Settings::get_instance(), 'add_email_settings_dynamic_groups'));
add_filter('charitable_dynamic_groups', array(Charitable_Licenses_Settings::get_instance(), 'add_licenses_group'));
/**
* Add settings to the General tab.
*
* @see Charitable_General_Settings::add_general_fields()
*/
add_filter('charitable_settings_tab_fields_general', array(Charitable_General_Settings::get_instance(), 'add_general_fields'), 5);
/**
* Add settings to the Payment Gateways tab.
*
* @see Charitable_Gateway_Settings::add_gateway_fields()
*/
add_filter('charitable_settings_tab_fields_gateways', array(Charitable_Gateway_Settings::get_instance(), 'add_gateway_fields'), 5);
/**
* Add settings to the Email tab.
*
* @see Charitable_Email_Settings::add_email_fields()
*/
add_filter('charitable_settings_tab_fields_emails', array(Charitable_Email_Settings::get_instance(), 'add_email_fields'), 5);
/**
* Add settings for the Licenses tab.
*
